| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 26.674 | N/A |
| 2 | 1 | 26.017 | 19/8:14.098 |
| 3 | 1 | 24.357 | 19/8:00.004 |
| 4 | 1 | 25.489 | 19/8:01.852 |
| 5 | 1 | 24.654 | 20/8:24.129 |
| 6 | 1 | 25.822 | 19/8:01.494 |
| 7 | 1 | 24.031 | 20/8:22.845 |
| 8 | 2 | 29.376 | 19/8:08.878 |
| 9 | 2 | 24.167 | 19/8:05.478 |
| 10 | 2 | 24.316 | 19/8:03.132 |
| 11 | 2 | 24.352 | 19/8:01.319 |
| 12 | 2 | 24.442 | 20/8:25.168 |
| 13 | 2 | 25.219 | 19/8:00.037 |
| 14 | 2 | 25.464 | 19/8:00.420 |
| 15 | 2 | 25.162 | 19/8:00.361 |
| 16 | 2 | 24.469 | 20/8:24.634 |
| 17 | 2 | 26.228 | 19/8:00.684 |
| 18 | 2 | 24.554 | 20/8:25.159 |
| 19 | 2 | 24.352 | 20/8:24.282 |
| 20 | 2 | 24.914 | 20/8:24.059 |